121670224 has 80 divisors (see below), whose sum is σ = 283106880. Its totient is φ = 50042880.

The previous prime is 121670183. The next prime is 121670233. The reversal of 121670224 is 422076121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66279 + ... + 68089.

It is an arithmetic number, because the mean of its divisors is an integer number (3538836).

Almost surely, 2^121670224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121670224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141553440).

121670224 is an abundant number, since it is smaller than the sum of its proper divisors (161436656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121670224 is a wasteful number, since it uses less digits than its factorization.

121670224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868 (or 1862 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 121670224 is about 11030.4226573600. The cubic root of 121670224 is about 495.5202827987.

The spelling of 121670224 in words is "one hundred twenty-one million, six hundred seventy thousand, two hundred twenty-four".